Light earthquake, 4.8 mag has occurred near Isabela in Puerto Rico

A light earthquake magnitude 4.8 (ml/mb) has struck on Thursday, 62 kilometers (39 miles) from Isabela in Puerto Rico. Exact location of event, longitude -67.16 West, latitude 19.054 North, depth = 10 km. The temblor was detected at 23:51:36 / 11:51 pm (local time epicenter). The epicenter was at a depth of 10 km (6 miles). Date and time of earthquake in UTC/GMT: 27/09/19 / 2019-09-27 03:51:36 / September 27, 2019 @ 3:51 am. A tsunami warning has not been issued (Does not indicate if a tsunami actually did or will exist). Event ids that are associated to the earthquake: pt19270000. Id of event: pt19270000.

Closest city/cities/towns to epicentrum/hypocenter was Utuado, Florida, Manatí (min 5000 pop). Nearby country/countries, Puerto Rico (c. 3 917 000 pop) (That might be effected). Event epicenter was 95 km (59 miles) from Mayagüez (c. 78 600 pop), 80 km (50 miles) from Arecibo (c. 49 300 pop), 94 km (58 miles) from Barceloneta (c. 22 300 pop), 99 km (62 miles) from Manatí (c. 16 100 pop), 70 km (43 miles) from Aguadilla (c. 16 100 pop), 63 km (39 miles) from Isabela (c. 12 500 pop), 82 km (51 miles) from San Sebastián (c. 11 600 pop).

In the past 24 hours, there have been six, in the last 10 days one hundred and twenty, in the past 30 days one hundred and thirty-six and in the last 365 days four hundred and fourty-two earthquakes of magnitude 3.0 or greater that have been detected in the same area. Each year there are an estimated 13,000 light quakes in the world. Earthquakes 4.0 to 5.0 are often felt, but only causes minor damage.

How would you describe the shaking?

Were you asleep? Was it difficult to stand and/or walk? Leave a comment or report about shaking, activity and damage at your city, home and country. This data comes from the USGS Earthquake Notification Service. Read more about the earthquake, Seismometer information, Distances, Parameters, Date-Time, Location and details about this quake, that has occurred near: 62 km NNW of Isabela, Puerto Rico.

More information

Parameter	Value	Description
Magnitude	4.8 mb	The magnitude for the event.
Longitude	-67.16° West	Decimal degrees longitude. Negative values for western longitudes.
Latitude	19.054° North	Decimal degrees latitude. Negative values for southern latitudes.
Depth	10 km	Depth of the event in kilometers.
Place	62km NNW of Isabela, Puerto Rico	Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.
Time	2019-09-27 03:51:36	Time when the event occurred. UTC/GMT
Updated	2019-09-27 03:55:19	Time when the event was most recently updated. UTC/GMT
Timezone offset	-240	Timezone offset from UTC in minutes at the event epicenter.
Felt		The total number of felt reports
CDI		The maximum reported intensity for the event.
MMI		The maximum estimated instrumental intensity for the event.
Alert Level		The alert level from the PAGER earthquake impact scale. Green, Yellow, Orange or Red.
Review Status	REVIEWED	Indicates whether the event has been reviewed by a human.
Tsunami	0	This flag is set to "1" for large events in oceanic regions and "0" otherwise. The existence or value of this flag does not indicate if a tsunami actually did or will exist.
SIG	354	A number describing how significant the event is. Larger numbers indicate a more significant event.
Network	pt	The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.
Sources	,pt,	A comma-separated list of network contributors.
Number of Stations Used	21	The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.
Horizontal Distance		Horizontal distance from the epicenter to the nearest station (in degrees).
Root Mean Square	sec	The root-mean-square (RMS) travel time residual, in sec, using all weights.
Azimuthal Gap	183.599985312	The largest azimuthal gap between azimuthally adjacent stations (in degrees).
Magnitude Type	Ml	The method or algorithm used to calculate the preferred magnitude for the event.
Event Type	earthquake	Type of seismic event.
Event ID	pt19270000	Id of event.
Event Code	19270000	An identifying code assigned by, and unique from, the corresponding source for the event.
Event IDS	,pt19270000,	A comma-separated list of event ids that are associated to an event.

Parameter

Value

Description

Magnitude

4.8 mb

The magnitude for the event.

Longitude

-67.16° West

Decimal degrees longitude. Negative values for western longitudes.

Latitude

19.054° North

Decimal degrees latitude. Negative values for southern latitudes.

Depth

10 km

Depth of the event in kilometers.

Place

62km NNW of Isabela, Puerto Rico

Textual description of named geographic region near to the event. This may be a city name, or a Flinn-Engdahl Region name.

Time

2019-09-27 03:51:36

Time when the event occurred. UTC/GMT

Updated

2019-09-27 03:55:19

Time when the event was most recently updated. UTC/GMT

Timezone offset

-240

Timezone offset from UTC in minutes at the event epicenter.

Felt

The total number of felt reports

CDI

The maximum reported intensity for the event.

MMI

The maximum estimated instrumental intensity for the event.

Alert Level

The alert level from the PAGER earthquake impact scale. Green, Yellow, Orange or Red.

Review Status

REVIEWED

Indicates whether the event has been reviewed by a human.

Tsunami

This flag is set to "1" for large events in oceanic regions and "0" otherwise. The existence or value of this flag does not indicate if a tsunami actually did or will exist.

SIG

354

A number describing how significant the event is. Larger numbers indicate a more significant event.

Network

The ID of a data contributor. Identifies the network considered to be the preferred source of information for this event.

Sources

,pt,

A comma-separated list of network contributors.

Number of Stations Used

The total number of Number of seismic stations which reported P- and S-arrival times for this earthquake.

Horizontal Distance

Horizontal distance from the epicenter to the nearest station (in degrees).

Root Mean Square

sec

The root-mean-square (RMS) travel time residual, in sec, using all weights.

Azimuthal Gap

183.599985312

The largest azimuthal gap between azimuthally adjacent stations (in degrees).

Magnitude Type

The method or algorithm used to calculate the preferred magnitude for the event.

Event Type

earthquake

Type of seismic event.

Event ID

pt19270000

Id of event.

Event Code

19270000

An identifying code assigned by, and unique from, the corresponding source for the event.

Event IDS

,pt19270000,

A comma-separated list of event ids that are associated to an event.

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Light earthquake, 4.8 mag has occurred near Isabela in Puerto Rico

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